20. Campbell, J. A., and L. S. Ford. 1982. Phylogenetic relationships of the colubrid snakes of the genus Adelphicos in the highlands of Middle America. Occasional Papers of the Museum of Natural History, University of Kansas 100:1–22.

21. Campbell, J. A. 1982. A new species of Abronia (Sauria, Anguidae) from the Sierra Juáárez, Oaxaca, Mexico. Herpetologica 38(3):355–361.

22. Duellman, W. E., and J. A. Campbell. 1982. A new frog of the genus Ptychohyla (Hylidae) from the Sierra de las Minas of Guatemala. Herpetologica 38(3):374–380.

23. Campbell, J. A., L. S. Ford, and J. P. Karges. 1983. Resurrection of Geophis anocularis Dunn, with comments on its relationships and natural history. Transactions of the Kansas Academy of Science 86(1):38–47.

24. Wake, M. H., and J. a. Campbell. 1983. A new genus and species of caecilian from the Sierra de las Minas of Guatemala. Copeia 1983(4):857–863.

25. Campbell, J. A. 1983. The biogeography of the cloud forest herpetofauna of Middle America with special reference to the Sierra de Las Minas of Guatemala. Diss. Abst. Int. 44(4):1025B.

26. Duellman, W. E., and J. A. Campbell. 1984. Two new species of Plectrohyla from Guatemala (Anura: Hylidae). Copeia 1984(2):390–397.

27. Campbell, J. A., and J. B. Murphy. 1984. Reproduction in five species of Paraguayan colubrids. Transactions of the Kansas Academy of Science 87(1–2):63–65.

57. Campbell, J. A. and E. R. Smith. 1992. A new frog of the genus Ptychohyla from the Sierra de Santa Cruz, Guatemala, and description of a new genus of Middle American stream-breeding treefrogs. Herpetologica 48:153–167.

62. Campbell, J. A., and W. W. Lamar. 1992. Taxonomic status of miscellaneous Neotropical viperids, with the description of a new genus. Occasional Papers of the Museum of Texas Tech University 153:1–31.

66. Campbell, J. A., and D. R. Frost. 1993. Anguid lizards of the genus Abronia: Revisionary notes on the species of Nuclear Central America and adjacent Mexico, descriptions of four additional species, with a phylogenetic hypothesis for the genus and an identification key. Bulletin of the American Museum of Natural History 216:1–121.

70. Campbell, J. A., and J. L. Camarillo R. 1994. A new lizard of the genus Diploglossus (Anguidae: Diploglossinae) from the Sierra Madre Oriental of Mexico, with review of the Mexican and northern Central American species. Herpetologica 50(2):193–209.

71. Mendelson, J. R., III, and J. A. Campbell. 1994. Two new species of the Hyla sumichrasti group (Amphibia: Anura: Hylidae) from Mexico. Proceedings of the Biological Society of Washington 107:398–409.

80. Campbell, J. A., and E. N. Smith. 1997. A new species of Tantilla from northeastern Guatemala. Proceedings of the Biological Society of Washington 110:332–337.

81. Campbell, J. A., and E. N. Smith. 1998. New species of Nototrition (Caudata: Plethodontidae) from eastern Guatemala. Scientific Papers, Natural History Museum, The University of Kansas 6:1–8.

82. Campbell, J. A. 1998. Comments on the identities of certain Tantilla (Squamata: Colubridae) from Guatemala, with descriptions of two new species in the genus. Scientific Papers, Natural History Museum, The University of Kansas 7:1–14.

83. Campbell, J. A., and E. N. Smith. 1998. A new genus and species of colubrid snake from the Sierra de las Minas of Guatemala. Herpetologica 54(2):207–220.

84. Campbell, J. A., M. Sasa, M. E. Acevedo, and J. R. Mendelson, III. 1998. A new species of Abronia (Squamata: Anguidae) from the high Cuchumatanes of Guatemala. Herpetologica 54(2):221–234.

85. Campbell, J. A., and B. T. Clarke. 1998. A review of frogs of the genus Otophryne (Microhylidae) with a description of a new species. Herpetologica 54(3):301–317.

88. Mendelson, J. R., and J. A. Campbell. 1999. The taxonomic status of populations referred to Hyla chaneque (Anura: Hylidae) in southern Mexico, with the description of a new treefrog from Oaxaca. Journal of Herpetology 33(1): 80–86.

97. Campbell, J. A.. 2000. A new species of venomous coral snake (Serpentes: Elapidae) from high desert in Puebla, Mexico. Proceedings of the Biological Society of Washington 113(1):291–297.

98. Campbell, J. A., and W. E. Duellman. 2000. New species of stream-breeding hylid frogs from the northern versant of the highlands of Oaxaca, Mexico. Scientific Papers, Natural History Museum, The University of Kansas 16:1–28.

100. Wilson, L. D., and J. A. Campbell. 2000. A new species of the calamarina group of the colubrid snake genus Tantilla from Guerrero, Mexico. Proceeding of the Biological Society of Washington 113(3):820–827.

101. Wake, D. B., and J. A. Campbell. 2000. A new species of diminutive salamander (Amphibia: Caudata: Plethodontidae: Nototriton) from the Montañas del Mico of Guatemala. Proceedings of the Biological Society of Washington 113(3):815–819.

102. Campbell, J. A., and E. N. Smith. 2000. A new species of arboreal pitviper from the Atlantic versant of northern Central America. Revista de Biología Tropical 48(4):1–13.

103. Gutberlet, R. L., and J. A. Campell. 2001. Generic recognition for a neglected lineage of South American Pitvipers (Squamata: Crotalinae) with the description of a new species from the Colombian Chocóo. American Museum Novitates 3316: 1–15.